For the circuit shown the RMS ratting current of the Thyristor =
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- A elearning.adpoly.ac.ae * Question Completion Status: QUESTION 16 E-06, PC-02. Three inductors 15 mH, 15 mH and 15 mH are connected in parallel. What is the total inductance? O Without knowing the coupling factor the total inductance cannot be found. O 45mH. O5 mH. QUESTION 17 E-06, PC-04. The time constant in an inductive circuit is the time required for the current to reach? O 70.7% of maximum value. O 63,7% of maximum value. O 63,2% of maximum value. QUESTION 18 E-06, PC-01. When more than two inductors of different inductance are connected in parallel in a circuit, the total inductance is? O Less than the inductance of the lowest rated inductor. O Equal to the sum of the individual inductance. O Equal to the inductance of the highest rated inductor. QUESTION 19 E-06, PC-02, Three inductors 15 mH, 15 mH and 15 mH are connected in series, What is the total inductance? Click Saue and Submit to save and submit. Click Save All Answers to save all answers.Calibri (Body) -11 by AaBbCcDx AaBbCcD AaBbC AaBbCc AaB AaBbCc. mat Painter BIU 1Normal 1No Spaci. Heading 1 Heading 2 Title Subtitle Chang Styles d Font Paragraph Styles IMPEDANCE QUIZ # 2 1. What capacitance when connected in series with a 500Q resistor will limit the current drawn from a 48-mV 465-kHz source to 20µA? * a. 144pF b. 145pF c. 146pF d. 147pF MY ANSWER: c.146pF 2. What is the total impedance at 20kHz of a series circuit consisting of a 1.5mH inductance, a 100Q resistance, and a 0.08uF capacitance? * a. 1340 41.7 b. 1930 L-37.2" C. 920 290 d. 530 2-12.6°n 12 For the given waveforms, waveform D the waveform E. put of -D uestion Degrees 30 60 90 180 210 360 N. In a step down transformer, number of turns in the primary winding is lesser than the number of turns in the secondary winding. Select one: O True en O False nere to search
- A supply of 240V-50HZ feeds a highly inductive load of 502 through thyristor bridge that is half-controlled. What is the load power factor when the firing angle delay is 45°? A. 0.6565 B. 0.5566 C. 0.6655 D. 0.5656 1igatioOhmic components have a V-I curve O Non-linear VI curve. Parabolic VI curve. Sinusoidal VI curve. Straight line VI curve.the shunt capacitance is a capacitor O a. Between a phase and the ground O b. between phases and a phase to ground c. none of the answers O d. Between phases
- 6. What is the effect of load inductance on the ripple current? 7. i effect of chonnine Bock and boost 8. Wh 9 What chopping 10. At what duty evcle does the load current rinnle current heThe average value of sinusoidal varying voltage is more than its r.m.s. value. Select one: O True O False Which of the following formula is CORRECT? a. E= - L d0/dt O b. E = - N dl/dt O . L= NI / O O d. W = 0.5 12L In a step down transformer, number of turns in the primary winding is lesser than the number of turns in the secondary winding. Select one: O True O FalseBy convention, the sign of reactive power to an inductance is and the sign of reactive power to a capacitance is
- For the circuit shown the RMS ratting current of the Thyristor= Firring angle-40Degree phasel-120sinwt Vo 20 Ohm O 4.5A O 4.6A O 2.6A O 1.6A O 2.5A O 3.6A O 1.SA 3.5AValue of series impedance if inductance is 5mH , resistance is 4 ohm and frequency is 50 Hz.Calculatethe Value of the Capaeitance at resanamce if w-SooD rad/Seea.k or6 齐
